EP1568424A1 - Presse pour le maintien et le pressage d'une pièce - Google Patents
Presse pour le maintien et le pressage d'une pièce Download PDFInfo
- Publication number
- EP1568424A1 EP1568424A1 EP05101429A EP05101429A EP1568424A1 EP 1568424 A1 EP1568424 A1 EP 1568424A1 EP 05101429 A EP05101429 A EP 05101429A EP 05101429 A EP05101429 A EP 05101429A EP 1568424 A1 EP1568424 A1 EP 1568424A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press according
- press
- heating
- matrix
- translation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 11
- 238000005242 forging Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 40
- 239000011159 matrix material Substances 0.000 claims description 33
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J17/00—Forge furnaces
- B21J17/02—Forge furnaces electrically heated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
- B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Definitions
- the invention relates to a press for holding and pressing a piece, in particular for a titanium blade of a turbomachine.
- a turbojet compressor vane for example, is a part formed by forging. Dawn is first stamped. This operation gives its shape at dawn but also induces constraints within it, which must be to balance. For this purpose, the dawn is put in a press, where it is heated and pressed between two matrices having an imprint whose shape corresponds to that of dawn. This results in relaxation of stresses within the dawn.
- the prior art especially for parts such as fan blades, teaches the use of a press with at least one tray, supporting a matrix, is movable in vertical translation by means of a hydraulic jack, for generate pressure on the titanium dawn by pressing on the other matrix it also supported by a tray. Everything is included in an oven with a isothermal enclosure, conventionally heated to a temperature between 700 ° C and 900 ° C for a fixed period.
- the blades are of complex three-dimensional shapes. A bad dawn positioning between the dies can result in the application of a nonuniform pressure on its surface and therefore the formation of new constraints, which is the opposite of the goal. The setting of the matrices one compared to the other is therefore very delicate, and a tiny variation of the angle attacking the moving matrix causes the aforementioned drawbacks.
- the present invention aims to overcome these disadvantages.
- the invention relates to a press, comprising a first element and a second element for holding and pressing a workpiece between them, the first element being translated in translation with respect to the second element by means of training, characterized in that the first element is mounted floating relative to the second element and said elements comprise positioning means relative to one another at the end of race.
- the first element has freedoms of movement in a number of directions, possibly the six, to some extent, ie in a dimensionally constrained way by relative to the size of the travel in translation authorized by the means drive.
- the press comprises translational guiding means of the first element and a game is spared between the first element and the means guidance.
- the first element and the second element each comprise a matrix for holding and pressing the part.
- the positioning means of the first element with respect to the second element comprise at least one finger of positioning cooperating with a bore.
- the matrix of the first element comprises at least one said positioning finger and the matrix of the second element comprises at least one said bore.
- each positioning finger comprises a portion of cylindrical shape and a portion of frustoconical shape.
- the Drive means include a pneumatic cylinder.
- the press arranged vertically, has at least one support spacer of the first element in a position and second drive means in translation of the second element with respect to the first element.
- the second training means in translation include a hydraulic cylinder.
- each element comprises a plate and a heating insulating support supporting the matrix.
- At least one layer of thermal insulation is disposed at the periphery of the dies.
- At least one insulating heating support comprises heating resistors.
- the resistances of heating are contained in cartridges.
- the resistances of heating are embedded and crimped in the heating insulating support.
- the invention relates to the use of a press for thermal straightening of a turbomachine blade formed by forging, but the applicant does not intend to limit the scope of its rights to this application.
- the press 1 of the invention comprises a structural base 2, supporting four columns 3, which form a frame, or frame, parallelepiped of the press 1.
- the columns 3 support a plateau lower 4 and an upper plate 5, here circular.
- the 1 is shown in two different configurations, FIG. cut into two parts, on both sides of a global plane of symmetry 6 vertical of the press 1.
- the lower plate 4 is movable in vertical translation. To the left of the plane of symmetry 6, the lower plate 4 is represented in position low, to the right of the plane of symmetry 6, the lower plate 4 is represented in high position, as will be described more precisely later.
- the lower plate 4 supports, in its central part, a support lower insulating heater 7, which comprises a circular plate 8 supported by vertical walls 9.
- the plate 8 could have another shape.
- the vertical walls 9 define between them cavities 10 containing an insulator thermal, comprising for example ceramic fibers.
- the plateau 8 of lower heating insulating support 7 contains heating resistors 11 which will be described more precisely later.
- the lower plate 4 supports, along its peripheral part, around of the lower insulating heating support 7 and on the height of the latter, a lower thermal insulation layer 12.
- This layer of thermal insulation lower 12 supports a layer of intermediate thermal insulation 13, which extends to the right of the lower thermal insulator 12, above the level of the lower insulating heating support 7.
- the plate 8 of the lower insulating heating support 7 supports a lower die 14 for pressing a part formed by forging, the latter not shown.
- the matrix 14 is here circular in shape.
- the lower matrix 14 comprises a footprint 45 whose shape fits, for its lower half, to the shape of the forged part, which is in the preferred embodiment of the invention a titanium blade of a turbojet engine.
- the lower plate 4 supports, in four diametrically opposed points two by two, a sleeve 15, surrounding the column 3 corresponding to the corner considered, extending above the plate 4, outside the latter.
- the sleeve 15 is, at its lower end, secured to the lower plate 4.
- Each sleeve 15 has, at its upper end, a ring 16, intended to slide in translation along column 3.
- the lower plate 4 is secured to the crowns 16 which fill, with their corresponding column 3, a guide function of the lower plate 4 in translation.
- the press 1 At the base of each column 3, on its base 2, the press 1 comprises a shim 19, supporting a spacer 20 supporting the lower plate 4, by the base of its sleeves 15, when the lower plate 4 is in the lower position.
- the spacers 20 make it possible to adjust the desired altitude of the lower plate 4 by low position.
- the upper plate 5 supports, in its central part, a support upper insulating heater 21 which comprises a supported circular tray 22 by vertical walls 23.
- the plate 22 could have another shape.
- the vertical walls 23 defined between them cavities 24 containing a thermal insulation, comprising for example ceramic fibers.
- the tray 22 of the upper heating insulating support 21 contains heating resistors 25 which will be described more precisely later.
- the upper plate 5 supports, along its peripheral part, around of the upper heating insulating support 21 and on the height of the latter, a upper thermal insulation layer 26.
- the plate 22 of the upper insulating heating support 21 supports a upper matrix 27 of pressing the dawn.
- the matrix 27 is here of form circular.
- the upper die 27 includes a fingerprint whose shape fits, for its upper half, the shape of dawn. She is the matrix complementary to the lower die 14 to completely enclose the blade.
- the upper plate 5 is for the moment considered fixed in a position higher.
- the lower die 14 has two positioning fingers 31, located at two diametrically opposite points on the upper surface of the lower die 14 and protruding vertically out of the latter.
- Each positioning pin 31 comprises a lower portion 32 of cylindrical shape and an upper portion 32 of frustoconical shape.
- the upper die 27 has two bores 34 for receiving a positioning finger 31, located at two points on the lower surface of the upper matrix 27 at a placement corresponding to the placement of the finger of corresponding positioning 31 on the lower matrix 14.
- the diameter of each bore 34 corresponds to the diameter of the cylindrical portion 32 of the finger corresponding positioning 31.
- the positioning fingers 31 of the lower die 14 are arranged to cooperate with the bores 34 of the upper die 27 so that, when the positioning fingers 31 are fitted into the bores 34, the lower 14 and upper 27 matrices are exactly positioned one relative to each other to squeeze the dawn they clasp uniformly.
- the arrangement of the positioning fingers 31 and the bores 34 is thus made according to the imprints that include matrices 14, 27, so that that they are exactly positioned facing each other when the positioning fingers 31 are fitted into the bores 34.
- the positioning fingers 31 and the bores 34 cooperate to perform a function of positioning the lower matrix 14 with respect to the upper die 27.
- Other positioning means could be considered, for example machined shapes on the matrices 14, 27 so complementary to fit in one another and position correctly the lower matrix 14 with respect to the upper matrix 27.
- the base 2 of the press 1 of the invention supports a pneumatic cylinder 28.
- This pneumatic jack 28 is secured, on its lower part, to the base 2, and secured, on its upper part, to the lower part of the lower plate 4. Between the two, it comprises a cushion of air, or bladder of air, for example in rubber, having two bellows 29, 30 located one above the other, and can be inflated or deflated by inflow or outflow of non-inflated valves represented.
- the lower plate 4 When the pneumatic cylinder 28 is deflated, as is the case on the left part of Figure 1, the lower plate 4 is in the down position, in support on the spacers 20, at the desired altitude by the dimensioning of the spacers 20. The lower matrix 14 is then removed from the upper matrix 27.
- the lower plate 4 and thus the lower matrix 14, which is integral through the lower heating insulating support 7, is free in translation and rotation on and around the horizontal plane, at least as much as the game 18 allows it. It is therefore mounted floating on the pneumatic cylinder 28 which the drive in vertical translation.
- the fingers 31 are inserted in the corresponding bores 34 by their frustoconical portion 33. Because of the buoyancy of the lower die 14 on the pneumatic cylinder 28, the latter is not positioned exactly in front of the upper die 27, so the positioning fingers 31 are not placed exactly in front of the bores 34, to the game 18 near.
- the frustoconical portions 33 tolerate such a game 18, and it is not necessary that their axis coincides with that of the bores 34 so that they are there inserted.
- the clearance between the crowns 16 and the corresponding columns 3 is dimensioned so that the positioning fingers 31 can always inserted into their respective bores 34.
- the translation then continues by fitting the portions cylindrical 32 positioning fingers 31 in their respective bores 34 and therefore by correct positioning of the lower and upper matrices 14 27 one with respect to the other.
- the lower matrix 14 bears on the upper matrix 27, it follows a pressure on the dawn between the two matrices 14, 27.
- the layers of lower thermal insulation 12, intermediate 13 and 26 are arranged so that when the dies 14, 27 are in support one on the other, the layer of intermediate thermal insulation 13 comes into contact with the upper thermal insulating layer 26.
- the layers of thermal insulation 12, 13, 26 fill the entire peripheral space between the two lower trays 4 and upper 5, thus forming, with the lower heating insulating supports 7 and upper 21, a heated enclosure 35 thermally insulated, as seen on the right side of Figure 1.
- Heating is provided by the lower heating resistors 11 and 25 located in the trays 8, 22 of the insulating heating supports lower 7 and upper 21, respectively, which will now be described in more detail, with reference to FIGS. 3 and 4.
- FIG. 3 shows a first embodiment of resistors 11 of the plate 8 of the lower heating insulating support 7.
- the plate 8 is here circular.
- the resistors 11 are contained in cartridges with straight segments, arranged in a zigzag shape. Thus, one succeeds rectilinear portions 36 and half-turns, made by means of two bends 37 at 90 °, when the rectilinear portion 36 approaches the edge of the plate 8.
- the assembly is fairly dense and provides a relatively homogeneous heating.
- FIG. 4 shows a second embodiment of resistors 11 of the plate 8 of the lower heating insulating support 7.
- the resistors 11 are directly embedded and crimped into the tray 8, here in a spiral pattern.
- they may for example be embedded in machined grooves in the plate 8 and then covered with metal powder deposited by a plasma torch, or by any other method well known to those skilled in the art. Thanks to this embodiment, it is possible to further tighten the resistances 11 and to obtain homogeneity of bigger heating.
- the resistors 11, 25 heat each matrix 14, 27, the whole being contained in the isothermal enclosure Above mentioned.
- the temperature is thus adjusted thanks to the resistors 11, 25, for example at a temperature of 700 ° C.
- the pressure of the matrices 14, 27 allied with the heating allows to perform the thermal straightening of the dawn.
- the upper plate 5 is fixed, in the upper position, and the lower plate 4 is high, thanks to the pneumatic cylinder 29, so as to press the dies 14, 27 against each other.
- the upper plate 5 supports, in four diametrically opposite points two by two, a vertical sleeve 38, surrounding Column 3 corresponding to the corner considered and above and below the upper plate 5, outside the latter.
- Each sleeve 38 has, at each of its ends, lower and upper part, a ring 39, 39 ', respectively, intended to slide in translation along the corresponding column 3.
- the upper plate 5 is integral with the rings 39, 39 ', which fill, with their corresponding column 3, a guide function in translation of the plateau upper 5.
- the slide connection between each ring 39, 39 'and column 3 corresponding is made without play.
- the columns 3 of the press 1 of the invention support a roof 40.
- This roof 40 supports a hydraulic cylinder 41.
- This hydraulic cylinder 41 comprises, in upper position, a cylinder 42, in which is mounted movable, opening on the lower side, a piston 43, actuated by hydraulic means well known to those skilled in the art, not shown.
- the hydraulic cylinder 41 is secured to the roof 40 on the upper part of its cylinder 42 and secured to the upper part of the upper plate 5 on the lower part of its piston 43.
- the press 1 supports a spacer 44.
- the upper plate 5 abuts on these spacers 44, by the top of its sleeves 38, when in the up position, as is the case on both parts of Figure 1.
- the hydraulic cylinder 41 is arranged to move the upper plate 5 in vertical translation, in the context of the new mode of operation of the press 1 of the invention described herein.
- the plateau 4 is fixed, in the lower position, resting on the spacers 20, as in the case of the left part of Figure 1, while the upper plate 5 is movable in translation, thanks to the hydraulic cylinder 41.
- the lower matrices 14 and higher 27 are not the same as before and do not include especially no positioning fingers 31 and 34 bores. It is not no more necessarily planned to activate the resistors 11, 25.
- This other mode of operation corresponds to a range of different pressures and a use of the press 1 of the invention as a "conventional" press, not necessarily for an application to thermal straightening.
- This new mode of operation is not incompatible with the first. For example, to switch from one to another to change dies 14, 27, the remainder of the device remaining identical, ensuring a saving of space not negligible within a production unit, for example.
- the press 1 of the invention provides, on the one hand, a function of conventional press, with its lower plate 4 fixed in low position and its upper plate 5 mobile in vertical translation thanks to the hydraulic jack 41, on the other hand, a thermal straightening press function, with its top plate 5 fixed and its lower plate 4 mobile in vertical translation, thanks to the pneumatic cylinder 28, with a certain buoyancy ensuring, in cooperation with the positioning fingers 31 and the bores 34, a easy and precise positioning of the dies 14, 27 relative to one another, the resistors 11, 25 and the various thermal insulators 10, 12, 13, 24, 26 ensuring the isothermal heating function necessary for this second function of thermal straightening.
- This third use of the press 1 can be made for the thermal straightening of large hollow blades, for example.
- Trays 8, 22 lower heating insulating supports 7 and upper 21, as well as the matrices 14, 27, are then rectangular in shape, because of the size of the blades.
- the dies 14, 27 comprise positioning means such as the fingers 31 and bores 34 described above.
- the two matrices 14, 27 are initially separated from each other so to allow the loading of a dawn between them.
- the lower matrix 14 is then mounted, thanks to the pneumatic cylinder 28, in the direction of the matrix 27.
- This pneumatic cylinder 28, in cooperation with the means of positioning 31, 34, allows the proper centering, without constraints, of the dawn between the two matrices 14, 27.
- the pneumatic cylinder 28 does not make it possible to apply a force sufficient in the context of the process under consideration, the lower plate 4 is locked in its position, thanks to spacers 20 sized for this purpose.
- the spacers 20, or wedges are here removable, and used when one wants to lock the lower plate 4 in a position, which is not necessarily its lowest position.
- spacers 20 can be provided, depending on the process used.
- the tray upper 5 comes to apply an additional force, thanks to the action of the jack 41, which generates a greater pressure than the cylinder pneumatic 28.
- the actuator pneumatic 28 ensures the proper centering, without constraints, of the part to be pressed, while the hydraulic cylinder 41 performs the function of pressurizing additional room.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
- la figure 1 représente une vue schématique de profil en coupe de la forme de réalisation préférée de la presse de l'invention , avec la matrice inférieure en position basse, pour la moitié gauche de la figure 1, et la matrice supérieure en position haute, pour la moitié droite de la figure 1 ;
- la figure 2 représente une vue schématique de dessus de la partie inférieure de la forme de réalisation préférée de la presse de l'invention ;
- la figure 3 représente une vue schématique de dessus d'une première forme de réalisation du support isolant chauffant inférieur de la presse de l'invention ;
- la figure 4 représente une vue schématique de dessus d'une seconde forme de réalisation du support isolant chauffant inférieur de la presse de l'invention.
Claims (20)
- Presse, comportant un premier élément (4, 7, 14) et un second élément (5, 21, 27) de maintien et de pressage d'une pièce à traiter entre eux, le premier élément (4, 7, 14) étant entraíné en translation par rapport au second élément (5, 21, 27) par des moyens d'entraínement (28), caractérisé par le fait que le premier élément (4, 7, 14) est monté flottant par rapport au second élément (5, 21, 27) et lesdits éléments comprennent des moyens de positionnement (31, 34) l'un par rapport à l'autre en fin de course.
- Presse selon la revendication 1, comprenant des moyens de guidage (3, 16) en translation du premier élément (4, 7, 14), un jeu étant ménagé entre le premier élément et les moyens de guidage (3, 16).
- Presse selon la revendication 2, comprenant au moins une couronne (16) solidaire du premier élément (4, 7, 14), coulissant sur une colonne (3) formant bâti, un jeu étant ménagé entre la couronne (16) et colonne (3).
- Presse selon l'une des revendications 1 à 3, dans laquelle le premier élément et le second élément comprennent chacun une matrice (14, 27) de maintien et de pressage de la pièce.
- Presse selon l'une des revendications 1 à 4, dans laquelle les moyens de positionnement (31, 34) du premier élément (4, 7, 14) par rapport au second élément (5, 21, 27) comprennent au moins un doigt de positionnement (31) coopérant avec un alésage (34).
- Presse selon les revendications 4 et 5, dans laquelle la matrice (14) du premier élément comprend au moins un dit doigt de positionnement (31) et la matrice (27) du second élément comprend au moins un dit alésage (34).
- Presse selon l'une des revendications 5 ou 6, dans laquelle chaque doigt de positionnement (31) comprend une portion (32) de forme cylindrique et une portion (33) de forme tronconique.
- Presse selon l'une des revendications 1 à 7, dans laquelle les moyens d'entraínement comprennent un vérin pneumatique (28).
- Presse selon l'une des revendications 1 à 8 disposée verticalement, dans laquelle le premier élément (4, 7, 14) est situé en position inférieure et le second élément (5, 21, 27) en position supérieure.
- Presse selon la revendication 9, comportant au moins une entretoise (20) de soutien du premier élément (4, 7, 14) dans une position et des seconds moyens d'entraínement (41) en translation du second élément (5, 21, 27) par rapport au premier élément (4, 7, 14).
- Presse selon la revendication 10, dans laquelle les seconds moyens d'entraínement en translation comprennent un vérin hydraulique (41).
- Presse selon l'une des revendications 10 ou 11, dans laquelle l'entretoise (20) est amovible.
- Presse selon l'une des revendications 4 à 12, dans laquelle chaque élément comprend un plateau (4, 5) et un support isolant chauffant (7, 21) supportant la matrice (14, 27).
- Presse selon la revendication 13, dans laquelle au moins une couche d'isolant thermique (12, 13, 26) est disposée à la périphérie des matrice s (14, 27).
- Presse selon l'une des revendications 13 ou 14, dans laquelle au moins un support isolant chauffant (7, 21) comprend des résistances de chauffage (11).
- Presse selon la revendication 15, dans laquelle les résistances de chauffage (11) sont contenues dans des cartouches.
- Presse selon la revendication 15, dans laquelle les résistances de chauffage (11) sont noyées et serties dans le support isolant chauffant (7, 21).
- Utilisation d'une presse selon l'une des revendications 1 à 17 pour le redressage thermique d'une pièce formée par forgeage.
- Utilisation d'une presse selon l'une des revendications 1 à 17 pour le maintien et le pressage d'une aube de turbomachine.
- Utilisation d'une presse selon la revendication 10 et l'une des revendications 1 à 17, dans laquelle les moyens d'entraínement (28) du premier élément (4, 7, 14) remplissent une fonction de centrage de la pièce et les moyens d'entraínement (41) du second élément (5, 21, 27) remplissent une fonction de mise sous pression supplémentaire de la pièce.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0402005 | 2004-02-27 | ||
FR0402005A FR2866821B1 (fr) | 2004-02-27 | 2004-02-27 | Presse pour le maintien et le pressage d'une piece |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1568424A1 true EP1568424A1 (fr) | 2005-08-31 |
EP1568424B1 EP1568424B1 (fr) | 2007-10-17 |
Family
ID=34746454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05101429A Active EP1568424B1 (fr) | 2004-02-27 | 2005-02-24 | Presse pour le maintien et le pressage d'une pièce |
Country Status (6)
Country | Link |
---|---|
US (1) | US7194887B2 (fr) |
EP (1) | EP1568424B1 (fr) |
CN (1) | CN1672913B (fr) |
DE (1) | DE602005002854T2 (fr) |
ES (1) | ES2296073T3 (fr) |
FR (1) | FR2866821B1 (fr) |
Cited By (1)
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EP2969516A1 (fr) * | 2013-03-13 | 2016-01-20 | Tyco Electronics Corporation | Élément de moule mobile pour dispositif de presse |
Families Citing this family (8)
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CN102398374B (zh) * | 2011-10-31 | 2014-11-26 | 湖南特力液压有限公司 | 压力机 |
JP5894486B2 (ja) * | 2012-04-04 | 2016-03-30 | 株式会社神戸製鋼所 | 鍛造用金型装置及び金型着脱方法 |
US9061346B2 (en) | 2012-04-19 | 2015-06-23 | Firth Rixson Limited | Die locking system and method |
JP5946323B2 (ja) * | 2012-05-22 | 2016-07-06 | 株式会社神戸製鋼所 | 鍛造用金型装置 |
JP6100037B2 (ja) * | 2013-03-13 | 2017-03-22 | 三菱重工業株式会社 | 蒸気タービン翼製造方法 |
DE102013015180A1 (de) * | 2013-09-11 | 2015-03-12 | Webo Werkzeugbau Oberschwaben Gmbh | Verfahren und Vorrichtung zum Präzisionsschneiden von Werkstücken in einer Presse |
WO2018069933A1 (fr) * | 2016-10-12 | 2018-04-19 | Bharat Forge Limited | Pale de ventilateur de moteur aéronautique et sa fabrication |
CN112045136A (zh) * | 2020-08-25 | 2020-12-08 | 无锡航亚科技股份有限公司 | 一种精锻叶片的快换模座 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB721478A (en) * | 1952-04-01 | 1955-01-05 | Vickers Electrical Co Ltd | Improvements relating to the shaping of metal articles |
JPS6149734A (ja) * | 1984-08-20 | 1986-03-11 | Nissan Motor Co Ltd | プレス型 |
US5277045A (en) * | 1992-05-08 | 1994-01-11 | Rockwell International Corp. | Superplastic forming of metals at temperatures greater than 1000 degree C |
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US2958362A (en) * | 1958-03-11 | 1960-11-01 | Orenda Engines Ltd | Method and apparatus of forming sheet metal blade sections |
US4372144A (en) * | 1981-04-27 | 1983-02-08 | Valentine John J | Wrap ring assembly for precision no-draft forging |
SE454654B (sv) * | 1986-09-24 | 1988-05-24 | Nordisk Kartro Ab | Sett och anordning for positionering av verktyg i forhallande till en materialbana med upprepad grundform |
CN86108315A (zh) * | 1986-12-03 | 1988-06-15 | 国营安大锻造厂 | 大、中型铝合金件等温模锻 |
CN2033337U (zh) * | 1988-06-02 | 1989-03-01 | 于兆杰 | 带滑动式下模座的自动取件压力机 |
US5365767A (en) * | 1992-03-23 | 1994-11-22 | Steelcase Inc. | Brake press arrangement |
US5715721A (en) * | 1995-05-15 | 1998-02-10 | The Boeing Company | Floating forming die |
JP3587785B2 (ja) * | 2000-04-21 | 2004-11-10 | 株式会社ゴーシュー | 変速用歯車の製造方法 |
CN2474301Y (zh) * | 2001-01-02 | 2002-01-30 | 归禾 | 双作用压力机 |
CN2552692Y (zh) * | 2002-07-10 | 2003-05-28 | 薛定华 | 用于压制天花板的油热压机 |
-
2004
- 2004-02-27 FR FR0402005A patent/FR2866821B1/fr not_active Expired - Fee Related
-
2005
- 2005-02-24 EP EP05101429A patent/EP1568424B1/fr active Active
- 2005-02-24 ES ES05101429T patent/ES2296073T3/es active Active
- 2005-02-24 DE DE602005002854T patent/DE602005002854T2/de active Active
- 2005-02-25 US US11/065,043 patent/US7194887B2/en active Active
- 2005-02-28 CN CN200510067717.9A patent/CN1672913B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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GB721478A (en) * | 1952-04-01 | 1955-01-05 | Vickers Electrical Co Ltd | Improvements relating to the shaping of metal articles |
JPS6149734A (ja) * | 1984-08-20 | 1986-03-11 | Nissan Motor Co Ltd | プレス型 |
US5277045A (en) * | 1992-05-08 | 1994-01-11 | Rockwell International Corp. | Superplastic forming of metals at temperatures greater than 1000 degree C |
Non-Patent Citations (1)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 0102, no. 07 (M - 500) 19 July 1986 (1986-07-19) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2969516A1 (fr) * | 2013-03-13 | 2016-01-20 | Tyco Electronics Corporation | Élément de moule mobile pour dispositif de presse |
Also Published As
Publication number | Publication date |
---|---|
CN1672913A (zh) | 2005-09-28 |
EP1568424B1 (fr) | 2007-10-17 |
ES2296073T3 (es) | 2008-04-16 |
FR2866821B1 (fr) | 2006-06-09 |
DE602005002854D1 (de) | 2007-11-29 |
FR2866821A1 (fr) | 2005-09-02 |
CN1672913B (zh) | 2011-05-11 |
US7194887B2 (en) | 2007-03-27 |
DE602005002854T2 (de) | 2008-07-24 |
US20070033983A1 (en) | 2007-02-15 |
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